Brennan, Jack
Current rating: 1459
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1744 | Markowicz, Eric (1555) | Draw 1-1 | +31437 |
| 2legacy | 1753 | Durham, Lester (1484) | Won 2-0 | +181455 |
| 3legacy | 1701 | Hadley, Mike (1510) | Won 2-1 | +191474 |
| 4legacy | 1545 | Mattiuzzo, Richard (1555) | Draw 1-1 | +21476 |
| 5legacy | 1677 | Lesnewski, Dylan (1535) | Lost 0-2 | -171459 |
| top | average opponent: 1528record: 2-1-2 | new rating: 1459 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 339 | Gaudreau, Corey (1566) | Won 2-0 | +191504 |
| 2modern | 149 | Pelletier, Chris (1606) | Lost 0-2 | -161488 |
| 3modern | 289 | Phillips, Alex (1482) | Lost 0-2 | -181470 |
| 4modern | 406 | Longmore, Douglas (1482) | Lost 1-2 | -181452 |
| 5modern | 507 | Shastop, John (1463) | Lost 1-2 | -181434 |
| top | average opponent: 1520record: 1-4 | new rating: 1434 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1413 | Valdez, Tim (1589) | Lost 0-2 | -161484 |
| 3sealed | 1408 | Newman, Neil (1500) | Won 2-0 | +181502 |
| 4sealed | 1389 | Huffaker, Andrew (1548) | Lost 1-2 | -171485 |
| top | average opponent: 1546record: 1-2 | new rating: 1485 | ||